[rules-dev] How to compare to Class type in LHS??

[Felipe Piccolini]

Thanks Edson. I'll get the last build from trunk... I'm working on an  
idea for a testing framework I commented
to Michael Neale some time ago and needed that...

:)


On 24-07-2007, at 15:55, Edson Tirelli wrote:

>
>    Felipe,
>
>    The NPE is a bug that was fixed already.
>    I can't think in another way of doing without using a return  
> value restriction as you are doing...
>
>    []s
>    Edson
>
> 2007/7/24, Felipe Piccolini <felipe.piccolini at bluesoft.cl>:
> Hi,
>
>    Im trying to compare a field to a Class type but when parsing I  
> get NPE and when I debug,
> the constraint is a ReturnValueConstraint but the   
> restriction.getRequiredDeclarations()
> return a Declaration[] array initializated, but empty, so I can't  
> get the declaration evaluated...
> I needed because I'm working on a kind of parser for the rules for  
> analisys and testing... but using
> the already parsed package.
>
> Here is a pseudo rule for test...
>
> rule "Test A"
> 	when
> 		$mf: MyFact(clazz == (SomeClass.class))
> 	then
>  		System.out.println("Test A: OK" );
> end
>
> Actualy, the rule compiles (with the NPE output, not stackTrace,  
> just the java.lang.NullPointerException ,
> and it works fine.. I mean I get "Test A: OK" as output, but cant  
> get the SomeClass.class reference when I
> look into the debugger.
>
> Is this the right way to compare clases? if not, whats the right  
> way? (Im trying to not do == "SomeClass")
>
> Felipe Piccolini M.
> felipe.piccolini at bluesoft.cl
>
>
>
>
>
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>
>
>
>
> -- 
>   Edson Tirelli
>   Software Engineer - JBoss Rules Core Developer
>   Office: +55 11 3529-6000
>   Mobile: +55 11 9287-5646
>   JBoss, a division of Red Hat @ www.jboss.com
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Atentamente,
______________________
Felipe Piccolini Marfull
Jefe de Proyectos
Agustina 1141 Piso 8-B
Santiago

Fono    +(56 2) 68830837
E-mail felipe.piccolini at bluesoft.cl





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